BlackBerry

noun

Black‧Ber‧ry [countable]trademark

TDa piece of wireless (=using electronic signals not wires) electronic equipment that you can hold in your hand. You can use it as a PDA (=small computer that you use to use to store information such as telephone numbers, addresses, and appointments), as a mobile phone, to send and receive emails and textmessages, and to look at the Internet.

Definition of BlackBerry from the Longman Dictionary of Contemporary English within the topic COMPUTERS